Challhöchi Pass

The Belchen Tunnel is a motorway tunnel in Switzerland, and forms part of the A2 motorway from Basel to Chiasso. It links Eptingen in the canton of Basel-Country with Hägendorf in the Canton of Solothurn. The tunnel was opened in 1966, and is 3,180 metres (10,430 ft) long.

Eptingen is a municipality in the district of Waldenburg in the canton of Basel-Country in Switzerland.

The Belchenflue is a mountain of the Jura, located on the border between the Swiss cantons of Basel-Landschaft and Solothurn, south of Eptingen. The nearby Belchenflue Pass links the two cantons. The mountain is also known as the Swiss Belchen (Schweizer Belchen) and is part of the so-called Belchen System, a group of mountains with the name "Belchen" that may have been part of a Celtic sun calendar.

Belchenflue Pass (el. 1055 m.) is a mountain pass to use only by hikers in the Jura Mountains between the cantons of Basel-Country and Solothurn. Nearestby access by car is on the Chilchzimmersattel. Actually the pass does not have a distinct name. It is the signpost just nearby the dead-end hiking trail that has Belchenflue written on. The mountain is also called Bölchen by locals. The name came originally from Celtic from the sun god Belenus. The namegiving nearby peak (el. 1099 m.) was an important marker for the tribal calendar establishing the seasons. Along with the peak of the same name in Alsace (Alsatian Belchen) and Black Forest (Black Forest Belchen), it allowed the establishment of the winter and summer solstice.[1] As is the case with much of the Jura range, the cliffs are formed of hard oolithic limestone, which has been exposed as the softer stone above it has eroded. The pass forms the divide between the watershed of the Aare in the south and the Ergolz in the north. Both flow into the Rhine. To the east are the Challhöchi and Unterer Hauenstein passes.

The Ruchen is a mountain of the Jura, located on the border between the Swiss cantons of Basel-Landschaft and Solothurn. It lies between Langenbruck and Eptingen. The Ruchen is the easternmost summit above 1,100 metres in the Jura Mountains. East of the Ruchen is the Belchenflue.

Chilchzimmersattel (el. 991 m.) is a mountain pass in the Jura Mountains in the canton of Basel-Country in Switzerland. It connects Eptingen and Langenbruck. The pass road has a maximum grade of 7,35 percent. The pass is open all year round, even though it is not cleared after snowstorms. Numerous fortifications can be seen near the pass, dating from World War I and before.

Läufelfingen railway station (German: Bahnhof Läufelfingen) is a railway station in the municipality of Läufelfingen, in the Swiss canton of Basel-Landschaft. It is an intermediate stop on the summit branch of the Hauenstein line and is served by local trains only.

Buckten is a municipality in the district of Sissach in the canton of Basel-Country in Switzerland.

Läufelfingen is a municipality in the district of Sissach in the canton of Basel-Country in Switzerland.

Hauenstein-Ifenthal is a municipality in the district of Gösgen in the canton of Solothurn in Switzerland.

Unterer Hauenstein Pass (el. 691 m.) is a mountain pass in the Jura Mountains between the canton of Basel-Country and Solothurn in Switzerland. It connects Buckten in Basel-Country and Trimbach in Solothurn. The pass road has a maximum grade of 6 percent. The pass was probably already used by the Romans. In 1993, Roman artifacts were discovered at the pass. It also lies close to the Roman settlement of Augusta Raurica.

Wangen bei Olten is a municipality in the district of Olten in the canton of Solothurn in Switzerland.